Page 185 - Estimators Piping Man Hour Manual

168 Section Four—MECHANICAL INSTRUMENTATION

LIQUID LEVEL GAUGE GLASSES

Transparent Type

MAN HOURS EACH

Visible
Length Man Hours Each
Inches CS 316SS
6-3/4 4.40 4.84
10-1/4 5.06 5.56
12-5/8 6.38 7.01
19-3/4 6.93 7.62
26-3/4 6.98 7.67
33-1/4 7.59 8.34
45-1/2 8.25 9.07
55 8.91 9.80
65-3/8 10.12 11.13
78-3/4 11.44 12.58

Note: CS = carbon steel, SS = stainless steel
Above rating 3,000 psi @ 100° F to 1,500 psi @ 600° F.
Man hours are based on Penberthy TH Series.
Man hours include checking out of storage, calibrating if necessary, hauling to location and installing. Man hours do
not include valve, piping, or any electrical installation. If liquid level gauge valves are required, use 2.0 man hours
per pair.